The debate is relevant today because there are more or less similar things happening nowadays. The conservatives nowadays are also starting to respond to the political and cultural liberalism that has been the norm for a while. Both now and then, the country was and is divided a lot, which results in power struggles by these two factions.
Answer:
Indeed, for historical reasons African Americans have a different public and political opinion than whites. People of African descent have historically suffered economic, social, cultural and political discrimination and relegation since the abolition of slavery after the Civil War, generally obtaining less recognition and benefits from the government than the white majority in the country. For this reason, African Americans have evolved in their thinking towards positions of progressive tint, supporting mostly the Democratic Party and the liberal, inclusive and less conservative ideologies.